[Docs Site] Document RSSButton component

[KianNH]

Summary

Document RSSButton component

[hyperlint-ai]

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PR Change Summary

Documented the RSSButton component, providing details on its usage and properties.

• Added documentation for the RSSButton component
• Included examples of how to use the RSSButton
• Defined the properties and their types for the RSSButton

Added Files

• src/content/docs/style-guide/components/rss-button.mdx

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[github-actions]

Preview URL: https://30661964.preview.developers.cloudflare.com
Preview Branch URL: https://kian-pcx-16642.preview.developers.cloudflare.com

Files with changes (up to 15)

Original Link	Updated Link
https://developers.cloudflare.com/style-guide/components/rss-button/	https://kian-pcx-16642.preview.developers.cloudflare.com/style-guide/components/rss-button/